1 files changed, 75 insertions, 0 deletions
diff --git a/dhcpcd/compat/getline.c b/dhcpcd/compat/getline.c
new file mode 100644
index 00000000..68fe0854
--- /dev/null
+++ b/dhcpcd/compat/getline.c
@@ -0,0 +1,75 @@
+/*
+ * dhcpcd - DHCP client daemon
+ * Copyright (c) 2006-2009 Roy Marples <roy@marples.name>
+ * All rights reserved
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "getline.h"
+
+/* Redefine a small buffer for our simple text config files */
+#undef BUFSIZ
+#define BUFSIZ 128
+
+ssize_t
+getline(char ** __restrict buf, size_t * __restrict buflen,
+    FILE * __restrict fp)
+{
+	size_t bytes, newlen;
+	char *newbuf, *p;
+
+	if (buf == NULL || buflen == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+	if (*buf == NULL)
+		*buflen = 0;
+
+	bytes = 0;
+	do {
+		if (feof(fp))
+			break;
+		if (*buf == NULL || bytes != 0) {
+			newlen = *buflen + BUFSIZ;
+			newbuf = realloc(*buf, newlen);
+			if (newbuf == NULL)
+				return -1;
+			*buf = newbuf;
+			*buflen = newlen;
+		}
+		p = *buf + bytes;
+		memset(p, 0, BUFSIZ);
+		if (fgets(p, BUFSIZ, fp) == NULL)
+			break;
+		bytes += strlen(p);
+	} while (bytes == 0 || *(*buf + (bytes - 1)) != '\n');
+	if (bytes == 0)
+		return -1;
+	return bytes;
+}